<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <link rel="shortcut icon" href="images/icon.ico" type="/image/x-icon" />
    <style>
        @import url('https://fonts.font.im/css?family=Muli:700');
        html,
        body {
            margin: 0;
            user-select: none;
            font-family: 'Muli', "Microsoft Yahei", sans-serif;
        }

        p, h2{
            user-select: none;
        }

        p{
            text-align: center;
            font-size: 0.8em;
            color: #3d5245;
        }

        .container {
            width: 100vw;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url("/images/background.jpg") fixed no-repeat;
            background-size: cover;
        }
        .text-container {
            width: 450px;
            height: 200px;
            display: flex;
            flex-direction: column;
            padding: 40px 40px 10px;
            text-align: center;
            position: relative;
            z-index: 100;
            background: inherit;
            border-radius: 18px;
            overflow: hidden;
            flex-wrap: wrap;
        }
        .text-container::before {
            content: "";
            width: calc(100% + 20px);
            height: calc(100% + 20px);
            position: absolute;
            top: -10px;
            left: -10px;
            overflow: hidden;
            background: inherit;
            box-shadow: inset 0 0 0 400px rgba(255, 255, 255, 0.25);
            filter: blur(10px);
            z-index: -1;
        }

        .text-container h1 {
            font-size: 3em;
            font-weight: 600;
            color: #3d5245;
        }

        a:link, a:visited {
            color: #3d5245;
            text-align: center;
            text-decoration: none;
            display: inline-block;
        }

        a:hover, a:active {
            color: #3d5245;
            text-decoration: underline;
        }

    </style>
    <title>404 Not Found - Supermarket Manage System</title>
</head>
<body>
     <div class="container">
         <div class="text-container">
             <h1>404 NOT FOUND</h1>
             <br>
             <a href="/">BACK</a>
         </div>

     </div>
</body>
</html>